C95300HT

Reference
guide

Continuous cast

Aluminum bronze, such as C95300, is the highest strength standard copper-based alloy. Concast produces C95400, C95500, AMS 4880-C95510, and C95900 aluminum bronze alloys as Standard-stocked products in common sizes of rounds, tubes, and rectangles. Aluminum in conjunction with iron and nickel acts as a strengthener in these alloys including C953. All of the aluminum bronzes can be heat treated, further increasing tensile strengths.

C95300HT

Product description: Aluminum bronze
Solids: 1/2" to 9" O.D.
Tubes: 1 1/8" to 9" O.D.*
Rectangles: Up to 15"
Standard lengths: 24"**
Shape/Form:semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar

 *Consult mill for wall thickness 
**Consult mill for other lengths

Typical uses

Electrical: connectors
Fasteners: stripped nuts
Industrial: bearing segment for the steel industry, cams, gears, high-strength clamps, high-temperature applications, large hold-down screws, mining machine parts, pickling baskets, pickling hooks, pressure blocks for the steel industry, valve bodies, welding jaws
Marine: covers for marine hardware, marine equipment

Note: Also available in non-heat-treated condition.

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C95300 B505
B505M
68B
J461
J462
  QQ-C-390, G7;
QQ-B-671, Class 2
MIL-B-16033, Class 2 Aluminum Bronze 9B

Chemical composition

Cu% Fe% Al%
Chemical composition according to ASTM B505/B505M-18

Note: Cu + sum of named elements, 99.0% min. Unless otherwise noted, single values represent maximums.
86.00
min
0.80-
1.50
9.00-
11.00

Machinability

Note: HT = heat treated.
Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C95300HT 55 0.272

Mechanical properties

Mechanical properties according to ASTM B505/B505M-18
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, in 2 in. or 50 mm min Brinell hardness (3000 kg load) Remarks
ksi MPa ksi MPa % typical BHN  
80 552 40 276 12 132 Heat treated

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